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WorldIP.io
Autonomous System

AS37671

3S INF

Announced IPs
247,040
CIDR prefixes
32
ASN
AS37671

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
197.15.0.0/16 65.5K
0.0%
3S INF TN Tunis Governorate Tunis
41.225.128.0/17 32.8K
0.0%
3S INF TN Tunis Governorate Tunis
41.227.128.0/17 32.8K
0.0%
3S INF TN Tunis Governorate Gamart
197.25.128.0/17 32.8K
0.0%
3S INF TN Tunis Governorate Tunis
41.225.64.0/18 16.4K
0.0%
3S INF TN Sousse Governorate Sousse
197.26.64.0/18 16.4K
0.0%
3S INF TN Tunis Governorate Tunis
41.225.32.0/19 8.2K
0.0%
3S INF TN Tunis Governorate Tunis
41.227.32.0/19 8.2K
0.0%
3S INF TN Tunis Governorate Tunis
41.227.96.0/19 8.2K
0.0%
3S INF TN Ariana Governorate Aryanah
197.26.32.0/19 8.2K
0.0%
3S INF TN Tunis Governorate Tunis
41.225.16.0/20 4.1K
0.4%
3S INF TN Nabeul Governorate Nabeul
41.227.16.0/20 4.1K
0.2%
3S INF TN Tataouine Tataouine
41.225.0.0/21 2.0K
0.9%
3S INF TN Monastir Governorate Monastir
41.225.8.0/22 1.0K
0.0%
3S INF TN Monastir Governorate Monastir
193.95.76.0/22 1.0K
0.4%
3S INF TN — —
41.225.14.0/23 512
0.0%
3S INF TN Monastir Governorate Monastir
193.95.54.0/23 512
0.2%
3S INF TN — —
193.95.80.0/23 512
1.8%
3S INF TN — —
213.150.180.0/23 512
0.8%
3S INF TN — —
41.225.13.0/24 256
0.4%
3S INF TN Monastir Governorate Monastir
41.227.4.0/24 256
0.0%
3S INF TN — —
193.95.3.0/24 256
0.4%
3S INF TN — —
193.95.16.0/24 256
2.7%
3S INF TN — —
193.95.42.0/24 256
0.0%
3S INF TN — —
193.95.44.0/24 256
0.0%
3S INF TN — —
193.95.53.0/24 256
0.0%
3S INF TN — —
193.95.57.0/24 256
5.9%
3S INF TN — —
193.95.59.0/24 256
8.2%
3S INF TN — —
193.95.73.0/24 256
0.0%
3S INF TN — —
193.95.75.0/24 256
9.4%
3S INF TN — —
193.95.82.0/24 256
0.0%
3S INF TN — —
193.95.99.0/24 256
0.0%
3S INF TN — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS37671 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
197.15.96.0/19 94,357 2026-11-13 00:40:31
197.26.32.0/19 94,201 2026-11-13 00:40:34
197.15.64.0/19 93,838 2026-11-13 00:34:38
197.15.192.0/18 93,589 2026-11-13 00:34:38
197.15.128.0/18 93,554 2026-11-13 00:34:38
197.15.0.0/18 93,447 2026-11-13 00:34:38
197.26.64.0/18 91,985 2026-11-13 00:34:38
213.150.180.0/23 76,583 2026-11-13 00:34:52
193.95.78.0/24 66,403 2026-11-13 00:34:52
193.95.44.0/24 66,000 2026-11-13 00:40:38
193.95.99.0/24 65,886 2026-11-13 00:34:52
193.95.79.0/24 65,758 2026-11-13 00:34:52
193.95.42.0/24 65,703 2026-11-13 00:34:50
193.95.59.0/24 65,682 2026-11-13 00:34:50
193.95.76.0/23 65,670 2026-11-13 00:34:52
193.95.75.0/24 65,653 2026-11-13 00:34:52
193.95.73.0/24 65,649 2026-11-13 00:34:52
193.95.80.0/23 65,582 2026-11-13 00:34:52
193.95.16.0/24 65,456 2026-11-13 00:34:52
193.95.3.0/24 65,450 2026-11-13 00:34:52
193.95.54.0/23 65,421 2026-11-13 00:34:52
193.95.82.0/24 65,421 2026-11-13 00:34:52
193.95.53.0/24 65,354 2026-11-13 00:34:52
41.225.0.0/16 61,723 2026-11-13 00:34:52
193.95.57.0/24 58,459 2026-11-13 00:34:52
41.227.144.0/20 57,241 2026-11-13 00:34:52
41.227.96.0/19 57,146 2026-11-13 00:34:52
41.227.128.0/20 57,124 2026-11-13 00:34:52
197.25.128.0/17 56,477 2026-11-13 00:34:52
41.227.184.0/21 55,105 2026-11-13 00:34:50
41.227.176.0/21 55,083 2026-11-13 00:34:50
41.225.128.0/19 54,827 2026-11-13 00:34:52
41.227.4.0/24 52,326 2026-11-13 00:34:50
41.227.224.0/19 52,207 2026-11-13 00:34:52
41.227.160.0/20 52,070 2026-11-13 00:34:52
41.227.32.0/19 51,998 2026-11-13 00:34:52
41.227.192.0/19 48,427 2026-11-13 00:34:52
41.227.16.0/20 48,334 2026-11-13 00:34:52
213.150.175.0/24 940 2026-06-24 17:23:24

Frequently Asked Questions

What is AS37671?

AS37671 is an Autonomous System Number assigned to 3S INF. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS37671 announce?

AS37671 announces 247.0K IPv4 addresses distributed across 32 routed CIDR prefixes. The network is registered in Tunisia.

Who operates AS37671?

AS37671 is operated by 3S INF. The organization is based in Tunisia. You can view all IP ranges and related ASNs on the organization page.

What country is AS37671 registered in?

AS37671 is registered in Tunisia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 01:24:05 UTC
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